Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/407#discussion_r11617460
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/recommendation/ALS.scala ---
@@ -96,6 +97,7 @@ class ALS private (
private var lambda: Double,
private var implicitPrefs: Boolean,
private var alpha: Double,
+ private var partitioner: Partitioner = null,
--- End diff --
Do not put partitioner in constructor args. Use setters and make the
hashPartitioner default. Also, should separate userPartitioner/numUserBlocks
and productPartitioner/numProductBlocks.
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